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asm.s
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asm.s
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; #[ Bugs & A faire:
IFNE 0
-prendre -u (GCC)
-__MCH (Atari/Amiga)
-rorg
-even/cargs/pargs/dc/ds/dcb/rs/rseven.sdxp
-inconce
-opt p=xxx/xxx
-listing binaire etc... (FORMAT)
-pas de crlf apres ENDM
-les macros inter-fichiers en mode slow
-@<letter[s]>=local label
-reconnaitre:
-COMM(LCOMM) (GCC)
-STABD,STABN,STABS (GCC)
-MACRO.Sz
-MACHINE MCxxx
-EQUENV
-MCALL
-PATH (GFA,TA),ASSERT(GFA,MAD)
-IIFcc,IFF,IFB,IFNB (PA)
-BASE,ENDB (TA,PRO)
-LOCAL (macro:\@(PA),zone locale(GFA)),REPEAT..UNTIL(PRO)
-INIT (GFA,MAD)
-warning data/bss aligned
-prendre .directive
ENDC
; #] Bugs & A faire:
opt o+,ow-,o1-,w-
DEBUG equ 0
TEST_VAR equ 0
TEST_LOC equ 0
TEST_EQU equ 0
include "comequ.s"
IFNE AMIGA
include "amig_equ.s"
ENDC
IFNE BLINDOS
STKSIZE equ 8192
ELSEIF
STKSIZE equ 32768
ENDC
; #[ Xref:
XREF GlobalPatch,LocalPatch,StoreEXP,ResetLocEXPs,BsdCreateOffsets
XREF LoadSrc,FlushPrg,OutMsg,OutLst,PSymTab
XREF Sprintf,FreeEval,FreeEXPs,GetMPU
XREF PrtLine,PrtChar,GetIEnv,StrtTime,StopTime,DoEnd
XREF GlobPatchFlag,LocPatchFlag,HeadExp,TotExpNb
XREF TotErr,TotWarn,LstErr,LstWarn
XREF HeadEditBlock,CurEditBlock,IEnvFlg,IEnvPtr,IAsmBuf
XREF EaSp,CursPtr,CursW
IFNE AMIGA
XREF Amiga_Inits,FreeSections,amiga_cmd_line
ENDC
; #] Xref:
; #[ Xdef:
XDEF ReserveMemory,UpdateBinBuffer,FreeMemory
XDEF FatalError,NoPrtEnd
XDEF RetNor,RetMac
XDEF TopStack,CurModPtr,FlshBuf
; #] Xdef:
; #[ Main:
bra.s main
dc.l 0 ;stksize
dc.b 0,'ASM' ;magic
dc.l VERSION ;version #
dc.l IAsmBuf ;IAsm struct
dc.l startenv ;start @ if ienv
main:
IFNE AMIGA
jsr Amiga_Inits
ENDC ;AMIGA
lea NoneTxt,a0
lea OutName,a1
STRCPY
IFNE ATARI
move.l 4(a7),a3
lea mystack,a7
move.l $c(a3),d0
add.l $14(a3),d0
add.l $1c(a3),d0
add.l #$100,d0
move.l d0,-(sp)
move.l a3,-(sp)
clr.w -(sp)
move.w #$4a,-(sp)
trap #1
lea 12(sp),sp
move.l a3,a0
ENDC ;ATARI
startenv: move.l d0,-(sp)
jsr GetIEnv
tst.b IEnvFlg
bne.s .nopres
lea PresTxt,a0
jsr PrtLine
.nopres: move.l (sp)+,d0
bne FstFatal
tst.b IEnvFlg
beq.s .noienv
bsr InitMemory
bmi FstFatal
jsr InitPaths
bmi FstFatal
bra .ienv
.noienv:
IFNE ATARI
dc.w $a000
move.w -44(a0),CursW
lea -28(a0),a0
move.l a0,CursPtr
ENDC ;ATARI
;default values
move.w #3,MacAroDigit ;\@ xxx
move.w #132,LstLnLen ;default line length = 132
move.w #60,LstPgLen ;default page length = 60
moveq #-1,d0
move.w d0,CaseFlg ;case sensitive
move.w d0,EquFFlg ;flush equs
move.w d0,LstCnt ;no list
move.b #1,FPUId ;FPU Id=1
move.w #17,FPUk ;FPU k=+17
lea $80(a3),a0 ;cmd line
bsr GetCmdLine
lea -256(sp),sp
move.l sp,a0
pea SrcOrgName
lea WorkTxt,a1
jsr Sprintf
addq.w #4,sp
move.l sp,a0
jsr PrtLine
lea 256(sp),sp
.ienv: bsr InitMemory
bmi FstFatal
jsr InitPaths
bmi FstFatal
lea IncBuf,a0
tst.b (a0)
beq.s .noincl
jsr AddPathList
clr.b IncBuf
.noincl: jsr StrtTime
IFEQ _68000
jsr GetMPU
subq.w #1,d0
bhi.s .mpuok
move #bad_mpu_errno,d0
jmp prepfatal
.mpuok: ENDC
move.l #LINEBUF_SIZE,d0
bsr MyMalloc
beq FstFatal
move.l d0,FieldsPtr
tst.b IEnvFlg
beq.s .loadsrc
;;;;;; IENV ;;;;;;;
move.l CurModPtr,a0
bsr ModUpdate
clr.l MOD_father(a0)
move.l MOD_addr(a0),a6
move.l a6,SrcCurStart
bra.s .suite
;;;; pas IENV ;;;;;
.loadsrc: lea -PATHSZ(sp),sp
move.l sp,a1
lea SrcOrgName,a0
jsr FindIncFile
bpl.s .ff
.errf: lea PATHSZ(sp),sp
bra PrintUsage
.ff: move.l sp,a0
moveq #0,d0
jsr LoadSrc
bmi.s .errf
move.l d0,SrcOrgLen ;ds d0 la longueur du fichier
move.l a0,SrcOrgStart
move.l a0,SrcCurStart
move.l a0,a6 ;a6=pointeur sur le source courant
move.l sp,a0
bsr ModAlloc ;premier mod buffer alloue
move.l CurModPtr,a0
move.l a6,MOD_addr(a0)
move.l SrcOrgLen,MOD_size(a0)
lea PATHSZ(sp),sp
;;;;;;;;;;;;;;;;;;;;;;
.suite: jsr InitOutName
bsr init_var ;Initialisation des variables de stockage variables
bmi FatalError
move.l CurModPtr,a0
move.l a0,FstModPtr ;addr premier module alloue
move.l SrcOrgLen,MOD_size(a0)
move.l HeadEditBlock,MOD_headed(a0)
bsr CreateIntVars
bsr CreateDefVars ;Analyse DefBuf
jsr InitPrep
moveq #1,d0
move.l d0,incnum
move.l sp,TopStack
jsr UpdVarRamFlg
bra RetNor
RetMac: lea incnum,a0
move.l (a0)+,d0 ;incnum
add.l d0,(a0)+ ;CurLNb
move.l a6,(a0) ;CurLPtr
jsr ExpandMacLine
tst.w PrepSkipCnt
beq.s .ligne
bsr Condition
tst.w LstCnt
bmi.s RetMac
tst.b LstMacFlg
beq.s RetMac
bsr DoLst
bra.s RetMac
.ligne: bsr Ligne
move.l d7,incnum
tst.w LstCnt
bpl.s .dolst
.fwlst: tst.w length_variable
bne.s .stock
move.w d6,d3
bmi.s RetMac ;pas d'opcode
beq.s .nooper
.leas: move.l FieldsPtr,FIELDPTR ;@ debut de l'operande
lea maflags,EAPTR ;@ modes d'adressage
.nooper: pea RetMac(pc) ;@ de retour en cas d'erreur ou non
move.l sp,EaSp
move.w REF_opcode(REFPTR),d4 ;opcode
IFNE _68000
lea StartRoutines(pc),a1
add.w REF_rout(REFPTR),a1
jmp (a1)
ELSEIF
move.w REF_rout(REFPTR),a1
jmp (StartRoutines.l,a1)
; jmp ([REF_rout.w,REFPTR],StartRoutines)
ENDC ;_68000
.dolst: tst.b StopFlg
bne FatalError
tst.b LstMacFlg
beq.s .fwlst
bsr DoLst
bra.s .fwlst
.stock: move.w d6,d3
bmi.s .just_stock
btst #_FUNC_VAR,REF_flags(REFPTR)
bne.s .leas ;pas stocker mais JMPer
;stocker et JMPer a la routine
bsr StockVar
bra.s .leas
.just_stock: ;pas d'opcode
bsr StockVar
bra RetMac
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
RetNor: lea incnum,a0
move.l (a0)+,d0 ;incnum
add.l d0,(a0)+ ;CurLNb
move.l a6,(a0) ;CurLPtr
.ligne: bsr Ligne
move.l d7,incnum
tst.w LstCnt
bpl.s .dolst
.fwlst: tst.w length_variable
bne.s .stock
move.w d6,d3
bmi.s RetNor ;pas d'opcode
beq.s .nooper
.leas: move.l FieldsPtr,FIELDPTR ;@ debut de l'operande
lea maflags,EAPTR ;@ modes d'adressage
.nooper: pea RetNor(pc) ;@ de retour en cas d'erreur ou non
move.l sp,EaSp
move.w REF_opcode(REFPTR),d4 ;opcode
IFNE _68000
lea StartRoutines(pc),a1
add.w REF_rout(REFPTR),a1
jmp (a1)
ELSEIF
move.w REF_rout(REFPTR),a1
jmp (StartRoutines.l,a1)
; jmp ([REF_rout.w,REFPTR],StartRoutines)
ENDC ;_68000
.dolst: tst.b StopFlg
bne FatalError
bsr DoLst
bra.s .fwlst
.stock:
move.w d6,d3
bmi.s .just_stock
btst #_FUNC_VAR,REF_flags(REFPTR)
bne.s .leas ;pas stocker mais JMPer
;stocker et JMPer a la routine
bsr StockVar
bra.s .leas
.just_stock: ;pas d'opcode
bsr StockVar
bra RetNor
DoLst: cmp.w #-NOLIST_NUM,d2
beq.s .end
move.l CurLPtr,a0
jmp OutLst
.end: rts
EndAsm: tst.b IEnvFlg
beq.s .ttp
move.l CurEditBlock,d0
beq.s .ttp
move.l d0,a0
move.l TXT_next(a0),d0
beq.s .ttp
move.l d0,a0
tst.l TXT_size(a0)
bne.s .eoi
.ttp: move.l incnum,d0
subq.l #1,d0
add.l d0,CurLNb
move.l CurLNb,d0
add.l d0,TotLNb
tst.w SrcType
beq.s .nosrc
; move.w CurSecType,d0
; bmi.s .nosrc
; cmp.w #SEC_bss,d0
; beq.s .nosrc
; bsr LinnAlloc ;last line if TEXT or DATA
bsr LinrEnd
.nosrc: move.l CurModPtr,a0
move.l MOD_father(a0),d0
beq.s .rootmod
.eoi: jsr End_of_include
tst.w MacStuff+MacNestCnt
beq RetNor
bra RetMac
.rootmod: jsr end_locals
jsr ExitPreproc
tst.b StopFlg
bne.s .noflush
IFNE TEST_EQU
bsr print_equs
ENDC ;de TEST_EQU
jsr FreeLocals
tst.l VarNb
beq.s .no_var
bsr create_vars_table
move.l GloTbl,a0
move.l VarNb,d0
lea Qs_doubly,a1
bsr QsortL
move.l VarNb,d0
bsr create_sizes_table
IFNE TEST_VAR
bsr print_vars
ENDC ;de TEST_VAR
.no_var: bsr create_xref_table
jsr BsdCreateOffsets
jsr GlobalPatch
jsr FreeEval
jsr PSymTab
tst.w ChckFlg
bne.s .noflush
tst.b StopFlg
bne.s .noflush
jsr FlushPrg
.noflush:
move.l FieldsPtr,a0 ;free fields (32K!)
bsr MyMfree
jsr FreeStrings
jsr FreeLocStrings
jsr FreeAllVars
jsr FreeMods
jsr FreeBinBlocks
jsr FreeEXPs
jsr FreeSrc
IFNE AMIGA
jsr FreeSections
ENDC
IFNE BLINDOS
jsr TstFree
ENDC
FatalError:
jsr StopTime
bsr EndTime
bsr PNormal
bsr PVerbose
NoPrtEnd: bsr MemoryExit
jmp DoEnd
;Errram_mem:
; move #memram_errno,d0
; jmp prepfatal
EndTime: move.l TotTime,d0 ;nb de 100emes ecoules
moveq #0,d1 ;converti en centiemes
swap d0 ;nb de centiemes restant
move.w d0,d1
move.l d1,CenTime
swap d0 ;nb de secondes
move.w d0,d1
move.l d1,SecTime
rts
PNormal: tst.b StopFlg
beq.s .nostp
lea .stptxt(pc),a0
jmp PrtLine
.nostp: tst.w VerbFlg
beq.s .do
rts
.do: lea -256(sp),sp
move.l sp,a0
move.l CenTime,-(sp)
move.l SecTime,-(sp)
move.l TotWarn,-(sp)
move.l TotErr,-(sp)
pea OutName
move.l TotLNb,-(sp)
lea .endtxt,a1
jsr Sprintf
lea 24(sp),sp
move.l sp,a0
jsr PrtLine
lea 256(sp),sp
rts
.endtxt: dc.b "Assembled %=ld line(s)"
dc.b " into %s,"
dc.b " %ld error(s),"
dc.b " %ld warning(s),"
ASCINLZ <" %ld.%02ld sec.">
.stptxt: ASCINLZ <"Assembly interrupted">
even
PVerbose: tst.b StopFlg
bne.s .out
tst.w VerbFlg
bne.s .do
.out: rts
.do: lea -256(sp),sp
move.l sp,a0
move.l TotWarn,-(sp)
move.l TotErr,-(sp)
move.l CenTime,-(sp)
move.l SecTime,-(sp)
move.l TotLNb,-(sp)
pea OutName
lea .endtxt,a1
jsr Sprintf
lea 24(sp),sp
move.l sp,a0
jsr PrtLine
move.l sp,a0
lea SecSizes,a1 ;sections
move.l 12(a1),-(sp)
move.l 8(a1),-(sp)
move.l 4(a1),-(sp)
move.l (a1),-(sp)
lea .siztxt(pc),a1
jsr Sprintf
lea 16(sp),sp
move.l sp,a0
jsr PrtLine
move.l sp,a0
move.l TotMacNb,-(sp) ;macros
move.l TotEquNb,-(sp) ;equs
move.l TotLocNb,-(sp) ;locals
move.l GloNb,-(sp) ;globals
lea .vartxt(pc),a1
jsr Sprintf
lea 16(sp),sp
move.l sp,a0
jsr PrtLine
move.l sp,a0
move.l TotExpNb,-(sp) ;exps
move.l MemSize,d0
move.l MaxMemUsed,d1
sub.l d1,d0
move.l d0,-(sp)
move.l d1,-(sp)
lea .inttxt(pc),a1
jsr Sprintf
lea 12(sp),sp
move.l sp,a0
jsr PrtLine
IFNE BLINDOS
move.l sp,a0
move.l MfreeNb,-(sp)
move.l MallocNb,-(sp)
lea .alltxt(pc),a1
jsr Sprintf
addq.w #8,sp
move.l sp,a0
jsr PrtLine
ENDC ;BLINDOS
move.l OutType,d0
ble.s .nolnk
; cmp.w #BSD_OBJ,d0
; bgt.s .nolnk
move.l sp,a0
move.l XdefNb,-(sp)
move.l XrefNb,-(sp)
lea .lnktxt(pc),a1
jsr Sprintf
lea 8(sp),sp
move.l sp,a0
jsr PrtLine
.nolnk: tst.l OptiNb
beq.s .noopt
move.l sp,a0
move.l OptiSz,-(sp)
move.l OptiNb,-(sp)
lea .opttxt(pc),a1
jsr Sprintf
lea 8(sp),sp
move.l sp,a0
jsr PrtLine
.noopt: lea 256(sp),sp
rts
SEP equ ' '
.endtxt: ASCINL <"Output of %s:">
ASCINL <"Line(s) : % 8ld",SEP,"Time: : %=ld.%02ld sec">
ASCINL <"Error(s) : % 8ld",SEP,"Warn.(s) : % 8ld">
dc.b 0
.siztxt: ASCINL <"Text : % 8ld",SEP,"Data : % 8ld">
ASCINL <"Bss : % 8ld",SEP,"Symbols : % 8ld">
dc.b 0
.vartxt: ASCINL <"Global(s): % 8ld",SEP,"Local(s) : % 8ld">
ASCINL <"Equ(s) : % 8ld",SEP,"Macro(s) : % 8ld">
dc.b 0
.alltxt:
IFNE BLINDOS
ASCINL <"Malloc(s): % 8ld",SEP,"Free(s) : % 8ld">
ENDC ;BLINDOS
dc.b 0
.inttxt: ASCINL <"Used mem : % 8ld",SEP,"Free mem : % 8ld">
ASCINL <"Patch(es): % 8ld">
dc.b 0
.lnktxt: ASCINL <"Xref(s) : % 8ld",SEP,"Xdef(s) : % 8ld">
dc.b 0
.opttxt: ASCINL <"Opti(s) : % 8ld",SEP,"Saved : % 8ld">
dc.b 0
even
IFNE TEST_EQU
print_equs:
move.l EqusPtr,a4
.nxblock: move.w EQUL_nb(a4),d7
subq.w #1,d7
bmi.s .end_equ
lea .txt(pc),a0
jsr PrtLine
move.l EQUL_block(a4),a3
.next: move.l (a3)+,a0
move.l EQU_start(a0),a4
move.w EQU_len(a0),d3
subq.w #1,d3
.aff: move.b (a4)+,d0
bsr PrtChar
dbf d3,.aff
moveq #13,d0
bsr PrtChar
moveq #10,d0
bsr PrtChar
dbf d7,.next
move.l EQUL_next(a4),d0
move.l d0,a4
bne.s .nxblock
.end_equ: rts
.txt: dc.b "------------------",13,10,0
ENDC ;TEST_EQU
IFNE TEST_VAR
print_vars:
lea -256(sp),sp
move.l sp,a5
lea glob_table,a2
move.w #254,d6
.nxlen: move.l (a2)+,a3
move.l (a2)+,d7
bmi.s .l1
.nxvar: move.l 0(a3,d7.l),a4
move.w VAR_len(a4),d3
move.l VAR_value(a4),d4
move.l VAR_start(a4),a4
subq.w #1,d3
.aff: move.b (a4)+,d0
bsr PrtChar
dbf d3,.aff
move.l d4,-(sp)
move.l a5,a0
lea .varfmt(pc),a1
jsr Sprintf
addq.w #4,sp
move.l a5,a0
jsr PrtLine
subq.l #4,d7
bpl.s .nxvar
.l1: dbf d6,.nxlen
lea 256(sp),sp
rts
.varfmt: dc.b " % 8ld",13,10,0
even
ENDC ;TEST_VAR
IFNE TEST_LOC
print_locs:
move.l LocPtr,a3
move.l LocNb,d7
subq.l #1,d7
.next: move.l VAR_start(a3),a4
; move.l a4,a0
; bsr recherche
move.w VAR_len(a3),d3
subq.w #1,d3
.aff: move.b (a4)+,d0
bsr PrtChar
dbf d3,.aff
moveq #13,d0
bsr PrtChar
moveq #10,d0
bsr PrtChar
lea VAR_SIZEOF(a3),a3
dbf d7,.next
rts
ENDC ;TEST_LOC
; #] Main:
; #[ GetCmdLine:
GetCmdLine:
move.l a3,-(sp)
IFNE ATARI
move.l a0,a3
moveq #0,d0
move.b (a3)+,d0
ENDC ;ATARI
IFNE AMIGA
movem.l amiga_cmd_line,d0/a3
subq.w #1,d0
ENDC ;AMIGA
ble.s .usage ;nothing
clr.b 0(a3,d0.w) ;end of cmd line
.l1: move.b (a3)+,d0
beq .end
cmp.b #9,d0 ;skip space & tab
beq.s .l1
cmp.b #' ',d0
beq.s .l1
cmp.b #'-',d0 ;option
bne.s .notopt
move.l a3,a0
.next: move.b (a3)+,d0
beq.s .getopt
cmp.b #' ',d0
beq.s .getopt
cmp.b #9,d0
bne.s .next
.getopt: subq.w #1,a3
move.b (a3),-(sp)
SETEOL (a3)
moveq #0,d0 ;in cmd line
jsr GetOpt ;get it
move.b (sp)+,(a3)
tst.l d0
bpl.s .l1
move.w d0,LstErr
.usage: bra PrintUsage
.notopt: lea -1(a3),a0
.l2: move.b (a3)+,d0
beq.s .getname
cmp.b #' ',d0
beq.s .getname
cmp.b #9,d0
bne.s .l2
.getname: lea SrcOrgName,a1 ;nom du premier source
tst.b (a1)
bne.s .usage
subq.w #1,a3
move.b (a3),-(sp)
clr.b (a3)
PSTRCPY
lea SrcCurName,a1 ;nom du source courant
STRCPY
move.b (sp)+,(a3)
bra .l1
.end: tst.b SrcOrgName
beq.s .usage
move.l (sp)+,a3
rts
FstFatal: lea FatalTxt,a0
jsr PrtLine
jmp DoEnd
PrintUsage:
lea UsageTxt,a0
jsr PrtLine
jmp DoEnd
; #] GetCmdLine:
include "line68k.s"
include "si.s"
include "qsort.s"
include "memory.s"
include "mm.s"
include "ins68k.s"
include "tbl68k.s"
include "prep.s"
DATA
; #[ Miscellaneous strings:
PresTxt: dc.b "Assemble 68xxx/CPU32 v"
dc.b (VERSION>>12)&$f+'0',(VERSION>>8)&$f+'0','.',(VERSION>>4)&$f+'0',VERSION&$f+'0'
IFEQ _68000
dc.b " 68020"
ENDC
IFNE BLINDOS
IFNE ATARI
dc.b " ","p","DEBUG","","q"
ELSEIF
dc.b " DEBUG"
ENDC ;ATARI
ENDC ;BLINDOS
ASCINLZ <" (c)1993-95 Brainstorm">
UsageTxt: ASCINL <"Usage: assemble [-<opt>>,...] <filename>>">
ASCINL <"where <opt>> is:">
ASCINL <" @<#>> \@ digits <number>> (default: 3).">
ASCINL <" b Assemble to none (syntax check only).">
ASCINL <" c Labels are case significant (default).">
IFNE ATARI
ASCINL <" d Output 8 caracters debug symbols (DRI).">
ENDC ;ATARI
IFNE AMIGA
ASCINL <" d Output debug symbols.">
ENDC ;AMIGA
ASCINL <" d=<exp>> Define equate.">
IFNE ATARI
ASCINL <" e Output equates as symbols (default).">
ENDC ;ATARI
ASCINL <" i<path>> Include <pathname>>.">
IFNE ATARI
ASCINL <" l<0|1|2|3>> Output program | Pure C object | DRI object | BSD object.">
ENDC ;ATARI
IFNE AMIGA
ASCINL <" l Output linkable object.">
ENDC ;AMIGA
ASCINL <" m Add macro expansion in listing.">
ASCINL <" n Use less memory.">
ASCINL <" o[#] Optimise [number].">
ASCINL <" ow[#] Warn on optimise [number].">
ASCINL <" o=<name>> Set output name to <name>>.">
ASCINL <" p=<#>> Select processor <number>>.">
IFNE ATARI
ASCINL <" r Use system allocation.">
ENDC ;ATARI
ASCINL <" s Add symbol table in listing.">
ASCINL <" t<#>> Tab stop <number>>.">
ASCINL <" u User instructions only.">
ASCINL <" v Verbose output.">
ASCINL <" w Display warnings.">
IFNE ATARI
ASCINL <" x Output 22 caracters debug symbols.">
ENDC ;ATARI
ASCINLZ <" y Output source level debug">
WorkTxt: ASCINLZ <"Working on %s">
FatalTxt: ASCINLZ <"Fatal memory error. Press any key.">
NoneTxt: dc.b "'nothing'",0
; #] Miscellaneous strings:
BSS
; #[ Stack:
TopStack: ds.l 1
ds.b STKSIZE
mystack: ds.l 1
; #] Stack:
END